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信号 : 10840 phrases in 162 subjects |
| Acoustics | 1 |
| Advertising | 32 |
| Agriculture | 100 |
| Air defense | 567 |
| Amateur radio service | 4 |
| American usage, not spelling | 2 |
| Animal husbandry | 7 |
| Antennas and waveguides | 2 |
| Archery | 5 |
| Architecture | 33 |
| Artificial intelligence | 21 |
| Astronautics | 7 |
| Astronomy | 1 |
| Athletics | 1 |
| Automated equipment | 15 |
| Automatic control | 11 |
| Automobiles | 506 |
| Aviation | 486 |
| Badminton | 1 |
| Baseball | 3 |
| Basketball | 2 |
| Biochemistry | 16 |
| Biology | 19 |
| Biotechnology | 3 |
| Bridge card game | 51 |
| Bridge construction | 2 |
| Business | 58 |
| Cables and cable production | 1 |
| Chemistry | 46 |
| China | 4 |
| Cinematography | 2 |
| Commerce | 12 |
| Communications | 243 |
| Company name | 1 |
| Compressors | 6 |
| Computer networks | 28 |
| Computer numerical control | 3 |
| Computers | 15 |
| Construction | 92 |
| Cryptography | 2 |
| Cycle sport | 1 |
| Data processing | 1 |
| Dermatology | 4 |
| Desert science | 3 |
| Dragon boat | 5 |
| Drilling | 9 |
| Earth sciences | 34 |
| Ecology | 7 |
| Economics | 27 |
| Electric machinery | 32 |
| Electricity | 15 |
| Electricity generation | 4 |
| Electronic commerce | 8 |
| Electronics | 1216 |
| Energy industry | 7 |
| Engineering geology | 8 |
| Environment | 4 |
| Exhibitions | 4 |
| Explosives and Explosive Ordnance Disposal | 28 |
| Fencing | 2 |
| Finances | 8 |
| Firefighting and fire-control systems | 1 |
| Fishery fishing industry | 5 |
| Football | 4 |
| Forestry | 2 |
| General | 408 |
| Genetics | 19 |
| Geology | 2 |
| Geophysics | 101 |
| Hydroelectric power stations | 35 |
| Hydrology | 1 |
| Ice hockey | 1 |
| Industry | 1 |
| Informal | 1 |
| Information technology | 319 |
| International Monetary Fund | 5 |
| International trade | 12 |
| Journalism terminology | 7 |
| Judo | 2 |
| Life sciences | 25 |
| Light industries | 1 |
| Literature | 3 |
| Logistics | 2 |
| Mammals | 1 |
| Management | 6 |
| Marketing | 6 |
| Mathematics | 8 |
| Mechanic engineering | 14 |
| Mechanics | 1 |
| Medical | 3 |
| Metallurgy | 147 |
| Meteorology | 1 |
| Metrology | 1 |
| Microelectronics | 1 |
| Military | 11 |
| Mining | 7 |
| Molecular genetics | 8 |
| Mountaineering | 7 |
| Multimedia | 53 |
| Music | 1 |
| Nanotechnology | 1 |
| Natural sciences | 1 |
| Nautical | 82 |
| Navigation | 13 |
| Nuclear and fusion power | 6 |
| Nuclear physics | 7 |
| Nursing | 2 |
| Oceanography & oceanology | 4 |
| Oil / petroleum | 271 |
| Oil processing plants | 1 |
| Otorhinolaryngology | 24 |
| Outdoor activities and extreme sports | 1 |
| Physics | 2 |
| Physiology | 9 |
| Piezoelectric crystals | 3 |
| Plastics | 4 |
| Polo | 1 |
| Polygraphy | 1 |
| Port facilities | 1 |
| Poultry farming | 1 |
| Power electronics | 11 |
| Power system protection | 15 |
| Programming | 1 |
| Project management | 20 |
| Psychology | 2 |
| Racing and motorsport | 11 |
| Radio | 27 |
| Rail transport | 124 |
| Refrigeration | 3 |
| Remote sensing | 2 |
| Reproductive biology | 1 |
| Road construction | 17 |
| Rowing | 15 |
| Rugby football | 1 |
| Sailing ships | 1 |
| Scientific | 80 |
| Scuba diving | 3 |
| Securities | 11 |
| Semiconductors | 2 |
| Shipbuilding | 103 |
| Shooting sport | 2 |
| Skydiving | 15 |
| Solar power | 1 |
| Space | 706 |
| Sports | 33 |
| Steel production | 1 |
| Submarines | 5 |
| Surgery | 1 |
| Surveying | 3 |
| Swimming | 1 |
| Technology | 3222 |
| Telecommunications | 720 |
| Television | 75 |
| Textile industry | 19 |
| Thermal engineering | 1 |
| Transport | 16 |
| United Kingdom | 1 |
| United Nations | 3 |
| United States | 1 |
| Waterskiing | 8 |
| Weightlifting | 6 |
| Wind Energy | 44 |
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